Safety Precautions - S&C PureWave SMS-250 Installation Manual

QUALIFIED PERSONS. Access to the PureWave
1 .
SMS-250 must be restricted only to qualified persons .
See "Qualified Persons" on page 2 .
SAFETY PROCEDURES. Always follow safe
2 .
operating procedures and rules .
3 . PERSONAL PROTECTIVE EQUIPMENT. Always use
suitable protective equipment, such as rubber gloves,
rubber mats, hard hats, safety glasses, and flame
retardant clothing, in accordance with safe operating
procedures and rules .
4 . SAFETY LABELS. Do not remove or obscure any of
the "DANGER," "WARNING," "CAUTION," or "NOTICE"
labels .
5 . ENCLOSURE. Do not open access doors unless the
system is offline or otherwise authorized by S&C Electric
Company .
MAINTAINING PROPER CLEARANCE. Always main-
6 .
tain proper clearance from energized components,
ensuring the dead-front access panels are in place after
maintenance or before operation .
7 . HAZARDOUS VOLTAGES. Hazardous dc voltage is
present even without utility power connected . Hazard-
ous voltages should also be expected in all intercon-
necting components and lines .
To maintain safety, the user should use a padlock
on the door of the power conversion system (PCS)
enclosure . The door and the use of the padlock provide
protection against inadvertent contact with hazardous
voltages .
8 . GROUNDING. For grounding purposes, the proceeding
must be followed:
• The power conversion system base ground bar in
the cable-termination area must be connected to a
suitable earth ground for testing before energizing
the unit and at all times when energized .
DANGER
The PureWave SMS-250 operates at hazardous voltage. Failure to observe these
precautions below will result in serious personal injury or death.
Some of these precautions may differ from your company's operating procedures and
rules . Where a discrepancy exists, follow your company's operating procedures
and rules .
• The overall ground system should be sufficient to
limit the Ground Potential Rise (GPR), step voltage,
and touch voltage to acceptable limits as determined
by the utility's practices and the National Electric
Safety Code .
9 . ENERGIZED COMPONENTS. Always consider all parts
live until de-energized, locked open, and tested .
10. ADDITIONAL CONNECTIONS. The user should not
attempt to connect any additional logic controls or power
connections to the PureWave SMS-250 (beyond the
connections shown on the interconnect drawing) with-
out having received written approval from S&C Electric
Company .
11 . INSULATED HAND TOOLS. To use insulated hand
tools, the proceeding must be followed:
• Insulated hand tools are required when working on or
around any energized equipment . Use only properly
rated tools for the energy present .
• Tool inventories should be kept to ensure that all tools
that enter the system enclosure are removed prior to
energizing the system .
12 . EMERGENCY PROCEDURES AND EQUIPMENT. For
emergency procedures:
• The owner should develop policies and procedures
for handling emergency situations .
• It is the responsibility of the owner to develop site-
specific emergency action plans for response to such
situations .
13 . ADDITIONAL SAFETY INSTRUCTIONS. Consult the
battery supplier for additional safety instructions and
procedures regarding the battery used in the PureWave
SMS-250 .
S&C Instruction Sheet 659-525

Safety Precautions

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